java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label33.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:40:03,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:40:03,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:40:03,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-15 01:40:03,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:40:03,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:40:03,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:40:03,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:40:03,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:40:03,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:40:03,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:40:03,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:40:03,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:40:03,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:40:03,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:40:03,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:40:03,821 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 01:40:03,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:40:03,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:40:03,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:40:03,838 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:40:03,852 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:40:03,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:40:03,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:40:03,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:40:03,854 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:40:03,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:40:03,854 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:40:03,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:40:03,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:40:03,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:40:03,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:40:03,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:40:03,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:40:03,856 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:40:03,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:40:03,856 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:40:03,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:40:03,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:40:03,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:40:03,857 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:40:03,857 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:40:03,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:40:03,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:40:03,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:40:03,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:40:03,858 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:40:03,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:40:03,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:40:03,859 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 01:40:04,134 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:40:04,147 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:40:04,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:40:04,152 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:40:04,152 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:40:04,153 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label33.c [2019-10-15 01:40:04,212 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11659aee/b682a882c5d642e294daf7be3a5c785c/FLAG9ffcf642a [2019-10-15 01:40:04,737 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:40:04,738 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label33.c [2019-10-15 01:40:04,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11659aee/b682a882c5d642e294daf7be3a5c785c/FLAG9ffcf642a [2019-10-15 01:40:05,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11659aee/b682a882c5d642e294daf7be3a5c785c [2019-10-15 01:40:05,049 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:40:05,050 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:40:05,054 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:40:05,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:40:05,058 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:40:05,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:40:05" (1/1) ... [2019-10-15 01:40:05,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337d46e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:05, skipping insertion in model container [2019-10-15 01:40:05,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:40:05" (1/1) ... [2019-10-15 01:40:05,069 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:40:05,128 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:40:05,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:40:05,643 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:40:05,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:40:05,801 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:40:05,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:05 WrapperNode [2019-10-15 01:40:05,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:40:05,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:40:05,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:40:05,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:40:05,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:05" (1/1) ... [2019-10-15 01:40:05,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:05" (1/1) ... [2019-10-15 01:40:05,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:05" (1/1) ... [2019-10-15 01:40:05,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:05" (1/1) ... [2019-10-15 01:40:05,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:05" (1/1) ... [2019-10-15 01:40:05,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:05" (1/1) ... [2019-10-15 01:40:05,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:05" (1/1) ... [2019-10-15 01:40:05,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:40:05,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:40:05,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:40:05,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:40:05,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:40:05,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:40:05,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:40:05,964 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 01:40:05,964 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:40:05,964 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 01:40:05,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:40:05,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:40:05,965 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 01:40:05,965 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:40:05,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:40:05,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:40:07,827 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:40:07,827 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 01:40:07,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:40:07 BoogieIcfgContainer [2019-10-15 01:40:07,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:40:07,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:40:07,830 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:40:07,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:40:07,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:40:05" (1/3) ... [2019-10-15 01:40:07,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6af85327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:40:07, skipping insertion in model container [2019-10-15 01:40:07,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:40:05" (2/3) ... [2019-10-15 01:40:07,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6af85327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:40:07, skipping insertion in model container [2019-10-15 01:40:07,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:40:07" (3/3) ... [2019-10-15 01:40:07,837 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label33.c [2019-10-15 01:40:07,847 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:40:07,856 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:40:07,867 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:40:07,893 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:40:07,893 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:40:07,893 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:40:07,894 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:40:07,894 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:40:07,894 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:40:07,894 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:40:07,894 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:40:07,914 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2019-10-15 01:40:07,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-15 01:40:07,923 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:40:07,924 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:40:07,926 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:40:07,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:40:07,932 INFO L82 PathProgramCache]: Analyzing trace with hash 826786569, now seen corresponding path program 1 times [2019-10-15 01:40:07,941 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:40:07,942 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763927399] [2019-10-15 01:40:07,942 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:07,942 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:07,942 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:40:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:40:08,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:40:08,344 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763927399] [2019-10-15 01:40:08,345 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:40:08,345 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:40:08,346 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383649557] [2019-10-15 01:40:08,353 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:40:08,353 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:40:08,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:40:08,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:40:08,370 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 3 states. [2019-10-15 01:40:08,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:40:08,904 INFO L93 Difference]: Finished difference Result 246 states and 454 transitions. [2019-10-15 01:40:08,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:40:08,907 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2019-10-15 01:40:08,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:40:08,927 INFO L225 Difference]: With dead ends: 246 [2019-10-15 01:40:08,927 INFO L226 Difference]: Without dead ends: 157 [2019-10-15 01:40:08,933 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:40:08,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-10-15 01:40:09,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2019-10-15 01:40:09,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-10-15 01:40:09,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 273 transitions. [2019-10-15 01:40:09,045 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 273 transitions. Word has length 77 [2019-10-15 01:40:09,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:40:09,047 INFO L462 AbstractCegarLoop]: Abstraction has 157 states and 273 transitions. [2019-10-15 01:40:09,048 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:40:09,048 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 273 transitions. [2019-10-15 01:40:09,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-15 01:40:09,056 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:40:09,056 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:40:09,057 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:40:09,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:40:09,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1195700064, now seen corresponding path program 1 times [2019-10-15 01:40:09,057 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:40:09,058 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491982865] [2019-10-15 01:40:09,058 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:09,058 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:09,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:40:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:40:09,206 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:40:09,207 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491982865] [2019-10-15 01:40:09,207 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:40:09,208 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:40:09,208 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746376250] [2019-10-15 01:40:09,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:40:09,210 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:40:09,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:40:09,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:40:09,211 INFO L87 Difference]: Start difference. First operand 157 states and 273 transitions. Second operand 6 states. [2019-10-15 01:40:09,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:40:09,793 INFO L93 Difference]: Finished difference Result 479 states and 861 transitions. [2019-10-15 01:40:09,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:40:09,794 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2019-10-15 01:40:09,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:40:09,802 INFO L225 Difference]: With dead ends: 479 [2019-10-15 01:40:09,803 INFO L226 Difference]: Without dead ends: 327 [2019-10-15 01:40:09,809 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:40:09,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2019-10-15 01:40:09,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 315. [2019-10-15 01:40:09,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2019-10-15 01:40:09,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 544 transitions. [2019-10-15 01:40:09,850 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 544 transitions. Word has length 87 [2019-10-15 01:40:09,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:40:09,851 INFO L462 AbstractCegarLoop]: Abstraction has 315 states and 544 transitions. [2019-10-15 01:40:09,851 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:40:09,851 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 544 transitions. [2019-10-15 01:40:09,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-15 01:40:09,855 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:40:09,855 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:40:09,855 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:40:09,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:40:09,856 INFO L82 PathProgramCache]: Analyzing trace with hash -2128721668, now seen corresponding path program 1 times [2019-10-15 01:40:09,856 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:40:09,856 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290443189] [2019-10-15 01:40:09,856 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:09,857 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:09,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:40:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:40:09,967 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:40:09,968 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290443189] [2019-10-15 01:40:09,968 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:40:09,968 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:40:09,969 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933056849] [2019-10-15 01:40:09,969 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:40:09,969 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 01:40:09,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:40:09,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:40:09,974 INFO L87 Difference]: Start difference. First operand 315 states and 544 transitions. Second operand 3 states. [2019-10-15 01:40:10,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:40:10,355 INFO L93 Difference]: Finished difference Result 852 states and 1503 transitions. [2019-10-15 01:40:10,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:40:10,357 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2019-10-15 01:40:10,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:40:10,363 INFO L225 Difference]: With dead ends: 852 [2019-10-15 01:40:10,363 INFO L226 Difference]: Without dead ends: 542 [2019-10-15 01:40:10,365 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:40:10,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2019-10-15 01:40:10,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 540. [2019-10-15 01:40:10,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2019-10-15 01:40:10,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 860 transitions. [2019-10-15 01:40:10,398 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 860 transitions. Word has length 88 [2019-10-15 01:40:10,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:40:10,398 INFO L462 AbstractCegarLoop]: Abstraction has 540 states and 860 transitions. [2019-10-15 01:40:10,398 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:40:10,398 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 860 transitions. [2019-10-15 01:40:10,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-15 01:40:10,405 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:40:10,405 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:40:10,405 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:40:10,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:40:10,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1484553217, now seen corresponding path program 1 times [2019-10-15 01:40:10,406 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 01:40:10,406 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824891621] [2019-10-15 01:40:10,406 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:10,406 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:40:10,407 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:40:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:40:10,494 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:40:10,495 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824891621] [2019-10-15 01:40:10,495 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478719051] [2019-10-15 01:40:10,495 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:40:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:40:10,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-15 01:40:10,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:40:10,699 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:40:10,700 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:40:10,818 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:40:10,819 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1821752013] [2019-10-15 01:40:10,870 INFO L162 IcfgInterpreter]: Started Sifa with 81 locations of interest [2019-10-15 01:40:10,871 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 01:40:10,879 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 01:40:10,891 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 01:40:10,892 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 01:40:11,230 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 100 for LOIs [2019-10-15 01:40:13,271 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 138 for LOIs [2019-10-15 01:40:14,230 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-10-15 01:40:14,389 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-10-15 01:40:14,552 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-10-15 01:40:14,994 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-10-15 01:40:15,157 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-10-15 01:40:15,600 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-10-15 01:40:15,796 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-10-15 01:40:15,995 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-10-15 01:40:16,418 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:16,599 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:16,794 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-10-15 01:40:17,749 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:17,961 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:18,130 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-15 01:40:18,427 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:18,592 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:18,783 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-15 01:40:19,024 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:19,182 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:19,357 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-10-15 01:40:20,030 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:20,188 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:20,364 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-15 01:40:20,593 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:20,749 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:20,919 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-10-15 01:40:21,577 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:21,734 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:21,899 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-15 01:40:22,176 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:22,332 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:22,497 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2019-10-15 01:40:22,844 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:23,040 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:23,310 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:23,466 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:23,628 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-10-15 01:40:23,876 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:24,031 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:24,300 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-15 01:40:24,547 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:24,706 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:24,869 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-15 01:40:25,159 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:25,344 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:25,509 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-15 01:40:25,779 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:25,945 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-10-15 01:40:26,111 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-10-15 01:40:26,367 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:26,519 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:26,681 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 01:40:26,912 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:27,068 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:27,227 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:27,486 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:27,640 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:27,798 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:28,025 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:28,179 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:28,340 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:28,570 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:28,724 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:28,883 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-15 01:40:29,113 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:29,266 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:29,427 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 01:40:29,666 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:29,829 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:29,994 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-10-15 01:40:30,253 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:30,405 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:30,567 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-10-15 01:40:30,839 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:30,993 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:31,160 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 01:40:31,544 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:31,698 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:31,859 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 01:40:32,429 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:32,581 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:32,740 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:32,965 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:33,119 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:33,281 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 01:40:33,544 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:33,700 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:33,859 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:34,100 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:34,256 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:34,417 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-15 01:40:34,652 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:34,805 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:34,968 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-10-15 01:40:35,239 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:35,391 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:35,552 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:35,781 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:35,933 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-10-15 01:40:36,104 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-10-15 01:40:36,319 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:36,466 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:36,619 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:36,835 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:36,984 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:37,149 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-10-15 01:40:37,361 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:37,507 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:37,661 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-10-15 01:40:37,882 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:38,028 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:38,183 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-10-15 01:40:38,435 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:38,582 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:38,735 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:38,947 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:39,097 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:39,257 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:39,473 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:39,632 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-10-15 01:40:39,833 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-10-15 01:40:40,033 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:40,163 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:40,299 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-15 01:40:40,491 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:40,623 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:40,758 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-10-15 01:40:40,955 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:41,085 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:41,220 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-10-15 01:40:41,413 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:41,543 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:41,685 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-10-15 01:40:41,911 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:42,041 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:42,197 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-15 01:40:42,669 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:42,799 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:42,934 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-10-15 01:40:43,129 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:43,259 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:43,406 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-15 01:40:43,631 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:43,761 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:43,900 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-10-15 01:40:44,127 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:44,260 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:44,398 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-10-15 01:40:44,592 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:44,735 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:44,872 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-10-15 01:40:45,066 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:45,195 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:45,330 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-10-15 01:40:45,523 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:45,652 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:45,787 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-10-15 01:40:45,985 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:46,115 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-10-15 01:40:46,250 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 171